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QUERY: CREATE TABLE FLOAT8_TBL(f1 float8);
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1004.30');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e+200');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e-200');
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
five|f1
----+--------------------
|0
|1004.3
|-34.84
|1.2345678901234e+200
|1.2345678901234e-200
(5 rows)
QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <> '1004.3';
four|f1
----+--------------------
|0
|-34.84
|1.2345678901234e+200
|1.2345678901234e-200
(4 rows)
QUERY: SELECT '' AS one, f.* FROM FLOAT8_TBL f WHERE f.f1 = '1004.3';
one| f1
---+------
|1004.3
(1 row)
QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE '1004.3' > f.f1;
three| f1
-----+--------------------
| 0
| -34.84
|1.2345678901234e-200
(3 rows)
QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE f.f1 < '1004.3';
three| f1
-----+--------------------
| 0
| -34.84
|1.2345678901234e-200
(3 rows)
QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE '1004.3' >= f.f1;
four| f1
----+--------------------
| 0
| 1004.3
| -34.84
|1.2345678901234e-200
(4 rows)
QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <= '1004.3';
four| f1
----+--------------------
| 0
| 1004.3
| -34.84
|1.2345678901234e-200
(4 rows)
QUERY: SELECT '' AS three, f.f1, f.f1 * '-10' AS x
FROM FLOAT8_TBL f
WHERE f.f1 > '0.0';
three|f1 |x
-----+--------------------+---------------------
|1004.3 |-10043
|1.2345678901234e+200|-1.2345678901234e+201
|1.2345678901234e-200|-1.2345678901234e-199
(3 rows)
QUERY: SELECT '' AS three, f.f1, f.f1 + '-10' AS x
FROM FLOAT8_TBL f
WHERE f.f1 > '0.0';
three|f1 |x
-----+--------------------+--------------------
|1004.3 |994.3
|1.2345678901234e+200|1.2345678901234e+200
|1.2345678901234e-200|-10
(3 rows)
QUERY: SELECT '' AS three, f.f1, f.f1 / '-10' AS x
FROM FLOAT8_TBL f
WHERE f.f1 > '0.0';
three|f1 |x
-----+--------------------+---------------------
|1004.3 |-100.43
|1.2345678901234e+200|-1.2345678901234e+199
|1.2345678901234e-200|-1.2345678901234e-201
(3 rows)
QUERY: SELECT '' AS three, f.f1, f.f1 - '-10' AS x
FROM FLOAT8_TBL f
WHERE f.f1 > '0.0';
three|f1 |x
-----+--------------------+--------------------
|1004.3 |1014.3
|1.2345678901234e+200|1.2345678901234e+200
|1.2345678901234e-200|10
(3 rows)
QUERY: SELECT '' AS one, f.f1 ^ '2.0' AS square_f1
FROM FLOAT8_TBL f where f.f1 = '1004.3';
one| square_f1
---+----------
|1008618.49
(1 row)
QUERY: SELECT '' AS five, f.f1, @f.f1 AS abs_f1
FROM FLOAT8_TBL f;
five|f1 |abs_f1
----+--------------------+--------------------
|0 |0
|1004.3 |1004.3
|-34.84 |34.84
|1.2345678901234e+200|1.2345678901234e+200
|1.2345678901234e-200|1.2345678901234e-200
(5 rows)
QUERY: SELECT '' AS five, f.f1, %f.f1 AS trunc_f1
FROM FLOAT8_TBL f;
five|f1 |trunc_f1
----+--------------------+--------------------
|0 |0
|1004.3 |1004
|-34.84 |-34
|1.2345678901234e+200|1.2345678901234e+200
|1.2345678901234e-200|0
(5 rows)
QUERY: SELECT '' AS five, f.f1, f.f1 % AS round_f1
FROM FLOAT8_TBL f;
five|f1 |round_f1
----+--------------------+--------------------
|0 |0
|1004.3 |1004
|-34.84 |-35
|1.2345678901234e+200|1.2345678901234e+200
|1.2345678901234e-200|0
(5 rows)
QUERY: SELECT '' AS three, f.f1, |/f.f1 AS sqrt_f1
FROM FLOAT8_TBL f
WHERE f.f1 > '0.0';
three|f1 |sqrt_f1
-----+--------------------+---------------------
|1004.3 |31.6906926399535
|1.2345678901234e+200|1.11111110611109e+100
|1.2345678901234e-200|1.11111110611109e-100
(3 rows)
QUERY: SELECT '' AS three, f.f1, : ( ; f.f1) AS exp_ln_f1
FROM FLOAT8_TBL f
WHERE f.f1 > '0.0';
three|f1 |exp_ln_f1
-----+--------------------+---------------------
|1004.3 |1004.3
|1.2345678901234e+200|1.23456789012338e+200
|1.2345678901234e-200|1.23456789012339e-200
(3 rows)
QUERY: SELECT '' AS five, f.f1, ||/f.f1 AS cbrt_f1 FROM FLOAT8_TBL f;
five|f1 |cbrt_f1
----+--------------------+--------------------
|0 |0
|1004.3 |10.014312837827
|-34.84 |-3.26607421344208
|1.2345678901234e+200|4.97933859234765e+66
|1.2345678901234e-200|2.3112042409018e-67
(5 rows)
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
five|f1
----+--------------------
|0
|1004.3
|-34.84
|1.2345678901234e+200
|1.2345678901234e-200
(5 rows)
QUERY: UPDATE FLOAT8_TBL
SET f1 = FLOAT8_TBL.f1 * '-1'
WHERE FLOAT8_TBL.f1 > '0.0';
QUERY: SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
ERROR: Bad float8 input format -- overflow
QUERY: SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
ERROR: pow() result is out of range
QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
ERROR: can't take log of zero
QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
ERROR: can't take log of a negative number
QUERY: SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
ERROR: exp() result is out of range
QUERY: SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
ERROR: float8div: divide by zero error
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
five|f1
----+---------------------
|0
|-34.84
|-1004.3
|-1.2345678901234e+200
|-1.2345678901234e-200
(5 rows)
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e400');
ERROR: Input '10e400' is out of range for float8
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e400');
ERROR: Input '-10e400' is out of range for float8
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e-400');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e-400');
QUERY: DELETE FROM FLOAT8_TBL;
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1004.30');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e+200');
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e-200');
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
five|f1
----+---------------------
|0
|-34.84
|-1004.3
|-1.2345678901234e+200
|-1.2345678901234e-200
(5 rows)
|
